Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 194 insertions, 0 deletions

diff --git a/connectivity/source/inc/dbase/DTable.hxx b/connectivity/source/inc/dbase/DTable.hxx
new file mode 100644
index 000000000..dd2e83361
--- /dev/null
+++ b/connectivity/source/inc/dbase/DTable.hxx
@@ -0,0 +1,194 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <file/FTable.hxx>
+#include <connectivity/CommonTools.hxx>
+#include <tools/urlobj.hxx>
+
+
+namespace connectivity::dbase
+    {
+        typedef file::OFileTable ODbaseTable_BASE;
+        class ODbaseConnection;
+
+        class ODbaseTable : public ODbaseTable_BASE
+        {
+        // The first byte of a dBase file specifies its type
+        public:
+            enum DBFType  { dBaseIII         = 0x03,
+                            dBaseIV          = 0x04,
+                            dBaseV           = 0x05,
+                            VisualFoxPro     = 0x30,
+                            VisualFoxProAuto = 0x31, // Visual FoxPro with AutoIncrement field
+                            dBaseFS          = 0x43,
+                            dBaseFSMemo      = 0xB3,
+                            dBaseIIIMemo     = 0x83,
+                            dBaseIVMemo      = 0x8B,
+                            dBaseIVMemoSQL   = 0x8E,
+                            FoxProMemo       = 0xF5
+                          };
+            enum DBFMemoType {  MemodBaseIII = 0,
+                                MemodBaseIV,
+                                MemoFoxPro
+                            };
+
+        private:
+            // sources: https://www.clicketyclick.dk/databases/xbase/format/dbf.html (dBASE III and 5)
+            // http://www.dbase.com/KnowledgeBase/int/db7_file_fmt.htm (dBASE 7) which is similar at least for this part
+            struct DBFHeader {                                                                   //   address/pos in trailer
+                                DBFType     type;                      // dBASE/xBASE type, see DBFType 00h
+                                sal_uInt8   dateElems[3];              // Date of last change (YYMMDD)  01h
+                                sal_uInt32  nbRecords;                 // Number of records             04h
+                                sal_uInt16  headerLength;              //                               08h
+                                sal_uInt16  recordLength;              // Length of 1 record            10h
+                                sal_uInt8   trailer[20];
+                                // this last field contains these data:
+                                // - reserved:2 bytes:should be filled with 0                           12h/0
+                                // - incomplete transaction:1 byte:dBASE IV                             14h/2
+                                                 // 00h Transaction ended (or rolled back)
+                                                 // 01h Transaction started
+                                // - encryptionFlag:1 byte: dBASE IV                                    15h/3
+                                                 // 00h not encrypted
+                                                 // 01h for encrypted
+                                // - freeRecordThread:4 bytes:reserved for LAN only                     16h/4
+                                // - multiUserdBASE:8 bytes:reserved for multi-user dBASE (dBASE III+)  20h/8
+                                // - MDXFlag:1 byte:dBASE IV                                            28h/16
+                                                 // 0x01 if a production .MDX file exists for this table
+                                                 // 0x00 if no .MDX file exists
+                                // - languageDriver:1 byte:codepage (from Foxpro)                       29h/17
+                                // - reserved:2 bytes: should be filled with 0                          30h/18
+                            };
+            struct DBFColumn {                       /* Column descriptors */
+                                sal_uInt8    db_fnm[11];                     /* Field name                  */
+                                sal_uInt8    db_typ;                         /* Field type                  */
+                                sal_uInt32   db_adr;                         /* Field address               */
+                                sal_uInt8    db_flng;                        /* Field length                */
+                                sal_uInt8    db_dez;                         /* Decimal places for N        */
+                                sal_uInt8    db_free2[14];                   /* Reserved                    */
+                            };
+            struct DBFMemoHeader
+            {
+                DBFMemoType db_typ;                         /* File type                    */
+                sal_uInt32  db_next;                        /* Next free block              */
+                sal_uInt16  db_size;                        /* Block size: dBase 3 fixed    */
+                DBFMemoHeader()
+                    : db_typ(MemodBaseIII)
+                    , db_next(0)
+                    , db_size(0)
+                {
+                }
+            };
+
+            std::vector<sal_Int32> m_aTypes;      // holds all types for columns just to avoid to ask the propertyset
+            std::vector<sal_Int32> m_aPrecisions; // same as above
+            std::vector<sal_Int32> m_aScales;
+            std::vector<sal_Int32> m_aRealFieldLengths;
+            DBFHeader       m_aHeader = {};
+            DBFMemoHeader   m_aMemoHeader;
+            std::unique_ptr<SvStream> m_pMemoStream;
+            rtl_TextEncoding m_eEncoding;
+
+            void alterColumn(sal_Int32 index,
+                             const css::uno::Reference< css::beans::XPropertySet>& descriptor ,
+                             const css::uno::Reference< css::sdbcx::XDataDescriptorFactory>& xOldColumn );
+            void readHeader();
+            void fillColumns();
+            OUString createTempFile();
+            void copyData(ODbaseTable* _pNewTable,sal_Int32 _nPos);
+            bool CreateFile(const INetURLObject& aFile, bool& bCreateMemo);
+            bool CreateMemoFile(const INetURLObject& aFile);
+            bool HasMemoFields() const;
+            void ReadMemoHeader();
+            bool ReadMemo(std::size_t nBlockNo, ORowSetValue& aVariable);
+
+            void WriteMemo(const ORowSetValue& aVariable, std::size_t& rBlockNr);
+            bool WriteBuffer();
+            bool UpdateBuffer(OValueRefVector& rRow, const OValueRefRow& pOrgRow, const css::uno::Reference< css::container::XIndexAccess>& _xCols, bool bForceAllFields);
+            css::uno::Reference< css::beans::XPropertySet> isUniqueByColumnName(sal_Int32 _nColumnPos);
+            bool AllocBuffer();
+
+            void throwInvalidDbaseFormat();
+            /// @throws css::sdbc::SQLException
+            /// @throws css::container::ElementExistException
+            /// @throws css::uno::RuntimeException
+            void renameImpl( const OUString& newName );
+            void throwInvalidColumnType(TranslateId pErrorId, const OUString& _sColumnName);
+
+        protected:
+            virtual void FileClose() override;
+//          using ::connectivity::sdbcx::OTableDescriptor_BASE::rBHelper;
+
+        public:
+            virtual void refreshColumns() override;
+            virtual void refreshIndexes() override;
+
+        public:
+            ODbaseTable( sdbcx::OCollection* _pTables,ODbaseConnection* _pConnection);
+            ODbaseTable( sdbcx::OCollection* _pTables,ODbaseConnection* _pConnection,
+                    const OUString& Name,
+                    const OUString& Type,
+                    const OUString& Description = OUString(),
+                    const OUString& SchemaName = OUString(),
+                    const OUString& CatalogName = OUString()
+                );
+
+            void construct() override; // can throw any exception
+
+            virtual sal_Int32 getCurrentLastPos() const override;
+            virtual bool seekRow(IResultSetHelper::Movement eCursorPosition, sal_Int32 nOffset, sal_Int32& nCurPos) override;
+            virtual bool fetchRow(OValueRefRow& _rRow,const OSQLColumns& _rCols, bool bRetrieveData) override;
+
+            virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type & rType ) override;
+            //XTypeProvider
+            virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes(  ) override;
+            virtual void SAL_CALL disposing() override;
+
+            // css::lang::XUnoTunnel
+            virtual sal_Int64 SAL_CALL getSomething( const css::uno::Sequence< sal_Int8 >& aIdentifier ) override;
+            static const css::uno::Sequence< sal_Int8 > & getUnoTunnelId();
+            // XAlterTable
+            virtual void SAL_CALL alterColumnByName( const OUString& colName, const css::uno::Reference< css::beans::XPropertySet >& descriptor ) override;
+            virtual void SAL_CALL alterColumnByIndex( sal_Int32 index, const css::uno::Reference< css::beans::XPropertySet >& descriptor ) override;
+            // XRename
+            virtual void SAL_CALL rename( const OUString& newName ) override;
+
+            bool    DropImpl();
+            bool    CreateImpl();
+
+
+            virtual bool InsertRow(OValueRefVector& rRow, const css::uno::Reference< css::container::XIndexAccess>& _xCols) override;
+            virtual bool DeleteRow(const OSQLColumns& _rCols) override;
+            virtual bool UpdateRow(OValueRefVector& rRow, OValueRefRow& pOrgRow,const css::uno::Reference< css::container::XIndexAccess>& _xCols) override;
+
+            virtual void addColumn(const css::uno::Reference< css::beans::XPropertySet>& descriptor) override;
+            virtual void dropColumn(sal_Int32 _nPos) override;
+
+            static OUString   getEntry(file::OConnection const * _pConnection, std::u16string_view _sURL );
+            static bool     Drop_Static(std::u16string_view _sUrl, bool _bHasMemoFields, sdbcx::OCollection* _pIndexes );
+
+            virtual void refreshHeader() override;
+
+            virtual css::uno::Reference< css::sdbc::XDatabaseMetaData> getMetaData() const override;
+        };
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */